[PATCH v2 12/18] gtp: let userspace handle packets for invalid tunnels

enable userspace to send error replies for invalid tunnels Signed-off-by: Andreas Schultz <aschultz(a)tpip.net> --- drivers/net/gtp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index ea97b49..8d74b7d 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -186,7 +186,7 @@ static int gtp_rx(struct sk_buff *skb, struct pdp_ctx *pctx, unsigned int hdrlen if (!gtp_check_src_ms(skb, pctx, hdrlen)) { pr_debug("No PDP ctx for this MS\n"); - return -1; + return 1; } /* Get rid of the GTP + UDP headers. */ @@ -236,7 +236,7 @@ static int gtp0_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb) pctx = gtp0_pdp_find(gtp, be64_to_cpu(gtp0->tid)); if (IS_ERR(pctx)) { netdev_dbg(gtp->dev, "No PDP ctx to decap skb=%p\n", skb); - return -1; + return 1; } return gtp_rx(skb, pctx, hdrlen); @@ -278,7 +278,7 @@ static int gtp1u_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb) pctx = gtp1_pdp_find(gtp, ntohl(gtp1->tid)); if (IS_ERR(pctx)) { netdev_dbg(gtp->dev, "No PDP ctx to decap skb=%p\n", skb); - return -1; + return 1; } return gtp_rx(skb, pctx, hdrlen); -- 2.10.2